1.
The main function of lysosome is
A
Sexual reproduction
B
Extracellular digestion
C
Inracellular digestion
D
Both B and C
Answer :
Both B and C
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2.
Kinetin (Cytokinin ) increase the rate of mitosis by reducing the duration of
A
Interphase
B
Meta phase
C
Anaphase
D
Telophase
Answer :
Interphase
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3.
Decision of cell division occurs at
A
Starting of G1
B
End of G1
C
Initial stage of prophase
D
End of telophase
Answer :
End of G1
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4.
During the metaphase stage of mitosis spindle fibres attach to chromosomes at
A
Centromere
B
Kinetochore
C
Both centromere and kinetochore
D
Centromere, kinetochore and areas adjoining centromere
Answer :
Kinetochore
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5.
What happens in interkinesis
A
DNA-replication
B
Chromosome duplication
C
Preparation of second meiotic division
D
Resting stage
Answer :
Preparation of second meiotic division
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6.
Site of meiosis Angiosperms
A
Meristem
B
Spore Mother cell
C
Roots
D
Petals or Pollen
Answer :
Spore Mother cell
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7.
The enzyme recombinase is required at which stage of meiosis:
A
Pachytene
B
Zygotene
C
Diplotene
D
Diakinesis
Answer :
Pachytene
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8.
In a bacterial cell the respiratory enzymes are found is
A
Mitochondria
B
Chondrisome
C
Mesosome
D
Centrosome
Answer :
Mesosome
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9.
Gap between meisis - I and II is called
A
Interphase
B
Interkinesis
C
Diakinesis
D
Metakinesis
Answer :
Interkinesis
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10.
Spindile fibers which extend from pole to kinetochores are
A
Chromosomal or tractile fibers
B
Interzonal fibers
C
Supporint fibers
D
Astral rays
Answer :
Chromosomal or tractile fibers
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